John Kerry: “you cannot just sit there anywhere and wish that things are going to be as they have been historically.”

Ninety-eight percent of all the scientists in the world agree----

The message is, let's find a way to be able to make sure when we fly, we're not leaving emissions that we cannot capture.

We are competing, but everybody has their own approach, which is one of the exciting things here.

Without a border protected you don’t have a nation.